POLY-TECH Precision Industry Ltd. was set up since 2002. With the support of Korean and Japanese engineers, we lead the unique and latest technology in manufacturing ceramic trimmer. We specialized in producing ceramic trimmer capacitors with SMD type?3mm?3PF?30PF?, open type??5mm?3PF?70PF and?7mm?5PF?100PF? and plastic casing type??6mm?3PF?120PF?. Our corporation is a Hong Kong-invested enterprise, more than 10 experienced engineers from Korean, Japan and China. In order to develop the best product, all the equipment and technical instrument were original imported from Korea and Japan. Most of our product is now providing to a largest OEM factory in China and India. With their support and recognize. We believed that we could do better and develop the best quality in the market. On the other hand, we managed to maintain a lowest cost and a competitive price.